Multiplatform Performance: Early years (2005–2010), most 3rd-party games ran better (higher res, steadier FPS) due to unified RAM + easier dev.
Exclusives:Halo 3/Reach/4, Gears 1–3, Forza Motorsport 2–4, Fable II, Left 4 Dead (console), Alan Wake, Crackdown, Lost Odyssey, Blue Dragon.
Backward Compatibility: ~600 Xbox games (software emulation).
PS3 Strengths
Blu-ray: Movies + 50 GB games (no disc swapping).
Free Online: PSN multiplayer free (PS+ added later for free games/cloud).
Exclusives:Uncharted 1–3, The Last of Us, God of War III/Ascension, Gran Turismo 5/6, MGS4, Ratchet & Clank, Demon's Souls, Journey, LittleBigPlanet, Valkyria Chronicles, Yakuza 3–5, Ni no Kuni.
Media Server: DLNA, SACD, PS1/PS2 BC (early models), Linux (OtherOS, removed 2010).
Hardware Longevity: Slim/Super Slim models very reliable (vs. RRoD on early 360s).
Sales & Popularity
Xbox 360: ~84M units sold. Larger active user base in NA/EU during peak.
PS3: ~87M units sold. Caught up late; stronger in Japan/Rest of World.
Choose Xbox 360 If:
You prioritize online shooters, party chat, Achievement hunting, Forza/Halo/Gears.
You want the best version of 2006–2011 multiplatform games.
Choose PS3 If:
You want Blu-ray movies, free online, Japanese exclusives, narrative masterpieces (TLOU, Uncharted, MGS4), media server.
You have PS2 games and can find a launch 60 GB model.
Both are hackable (RGH/JTAG on 360, CFW/HEN on PS3) for homebrew/emulation today.